Side by side

Impossible Watch Company IMP ChronographvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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IMP Chronograph
Impossible Watch CompanyIMP Chronograph
MSRP $595
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition
SeikoProspex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition
MSRP $3,000
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Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

15 of 29 specs differ
Diameter
IMP Chronograph38.5mm
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition42.5mm
Power Reserve
IMP Chronograph42h
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition45h
Water Resistance
IMP Chronograph30m
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition100m
MSRP
IMP Chronograph$595
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition$3,000

Full specifications

Case

5 specs
Category
—
Chronograph
Diameter
38.5mm
42.5mm
Thickness
13.5mm
15.1mm
Lug-to-Lug
—
50mm
Water Resistance
30m
100m

Crystal & Dial

5 specs
Crystal
K1
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Silver Gilt
Black
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Seagull ST1901
8R46
Type
Manual
Automatic
Power Reserve
42h
45h
Jewels
25
34

Pricing

1 specs
MSRP
$595
$3,000
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